import functools

from flask import session, current_app, g

from info.models import User


def do_index_class(index):

    if index ==0:
        return "first"
    elif index==1:
        return "second"
    elif index==2:
        return "third"
    return ""

def user_login_data(f):

    @functools.wraps(f)
    def wrapper(*args,**kwargs):
        user_id = session.get("user_id",None)
        user=None
        if user_id:
            try:
                user=User.query.get(user_id)
            except Exception as e:
                current_app.logger.error(e)
        g.user =user
        return f(*args,**kwargs)
    return wrapper